| Sagittaria
engelmanniana
J. G. Small acid-water arrowhead |
       
|
| Sagittaria
graminea
Michaux grass-leaf arrowhead |
     
|
| Sagittaria
latifolia
Willd. common arrowhead |
            
|
| Sagittaria
teres
S. Watson pondshore or terete arrowhead |
          
|